/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controle.usuario;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import persistencia.dao.AbstractDAO;
import persistencia.objetos.Usuarios;
import utils.Mensagen;

/**
 *
 * @author Milton
 */
public class Logon extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        List<Usuarios> use=null;
        try {

            //obtem dados do cliente
            String login = request.getParameter("campoEmail");
            String senha = request.getParameter("campoSenha");

            if(login!=null || senha!=null){                      
                if(!login.equals("") || !senha.equals("")){
                    //consulta bd
                   String cond = " email='" +login+ "' and senha='" +senha+ "'";  
                   use = new AbstractDAO().consultar("Usuarios", cond);
                   
                   //Autenticação
                   if(!use.isEmpty()){
                       
                       //Registrando sessao
                        Usuarios user = (Usuarios) use.get(0);
                     
                        //user.registrarSessao(request);
             
                        Sessao.registraSessao(user, request);
                  
                        
                        response.sendRedirect("/WebSistem/Interface/Principal.jsp");
                        //Dispachar
                        //String url = "/Interface/Principal.jsp";

                        //ServletContext context = getServletContext();
                        //RequestDispatcher despachante = context.getRequestDispatcher(url);
                        //despachante.forward(request, response);
                        
                        //out.println("Nome: "+user.getNome()+" "+user.getEmail());
                   }else{
                       request.setAttribute("mensagem",Mensagen.Alert("Usuario e/ou Senha Invalidos!"));

                        String url =  "/";

                        ServletContext context = getServletContext();
                        RequestDispatcher despachante = context.getRequestDispatcher(url);
                        despachante.forward(request, response);
                   }                 
                 }else{             
                        request.setAttribute("mensagem",Mensagen.Alert("Usuario e/ou Senha Invalidos!"));

                        String url =  "/";

                        ServletContext context = getServletContext();
                        RequestDispatcher despachante = context.getRequestDispatcher(url);
                        despachante.forward(request, response);
                }       
            }
             else{
                
               
                request.setAttribute("mensagem",Mensagen.Alert("Usuario não autenticado !"));

                String url =  "/";

                ServletContext context = getServletContext();
                RequestDispatcher despachante = context.getRequestDispatcher(url);
                despachante.forward(request, response);
             }
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
